chapman



(No Model.)

G. CHAPMAN.

HORSE SHOE.

Patented Oct. 4, 1892.

INVENTEIR vv ITNEESEE- 'r a mum PEYERS 120., woTo-Lrmo msum UNITEDSTATES I PATENT OFFICE.

GEORGE T. CHAPMAN, OF WHITE PLAINS, ASSIGNOR OF ONE-HALF TO WVILLIAMHARVEY MERRITT, OF NET/V YORK, N. Y.

HORSESHOE.

SPECIFICATION forming part of Letters Patent No. 483,538, dated October4, 1892.

Application filed March 19, 1890.

To all whom it may concern.-

7 'Be it known that I, GEORGE T. OHAPMAN,a

citizen of the United States, and a resident of White Plains, in thecounty of Westchester and State of New York,have invented new and usefulImprovements in Horseshoes, of which the following is a specification.

My invention consists of an improved construction of shoes wit-h adetachable guardplate and calks, as hereinafter fully described,reference being made to the accompanying drawings, in which- Figure 1 isa plan view of my improved shoe with the detachable guard-plate andcalks applied. Fig. 2 is a longitudinal section of the same. Fig. 3 is aside elevation of the tool used in applying and removing the guardplate,with a plate connected and sprung as for being applied to a shoe. Fig. 4is an elevation of said tool in a plane atright angles to that of Fig.3.

I construct the shoe with a bar a, connecting the heels 1) and integraltherewith, and in the lower inner corner of this bar and in thecorresponding part of the toe c I make rabbets (1 transversely to theshoe as long as the requisite strength and bearing-surface will permitand parallel to each other, together with short extensions of the sameat d, dotted Fig. 1, along the sides of the shoe, and between theserabbets cl I insert the guardplate e, consisting of a stiff plate ofsteel or other elastic metal made slightly longer than the distancebetween the vertical walls of the rabbets and being sprung, so as toshorten it for so inserting it and so as to retain its place after beinginserted bythe thrust of the ends against said vertical walls throughthe power of its resilient force. The plate is in this instance providedwith the attached calks 0 but they may be used or not, as preferred. Thevertical walls of the rabbets are slightly undercut, and the ends of theplate are slightly beveled, so that the edges are slightly longer in theangles of the rabbets than at the other side of the plate, and thus theybite in the angles for a more secure hold of the plate and so as toeffectually prevent any slack, and thereby prevent the plate fromshifting and becoming loose and rattling. The plate is thus securedwithout any detachable fastenings, which is important in horseshoes; butthe more essen- Serial No. 844,453. (No model.)

tial feature of the invention is the substantial seats afiorded for thepowerful thrusts of the plate by the arrangement of the rabbets in thetoe and the heel-connecting bar, where they are prevented from beingforced apart, as when located in the side bars of the shoe without theheel-connecting bar. For springing these plates to insert or remove themI provide a powerful clamp consisting of the base-plate f, having feet 9to rest on the guard-plate at its extremities, the T-headed coupling-rodh, fitted loosely through the center hole 2' of said base-plate, withits head ,7 insertible through the slot is in the middle of theguard-plate, and the levers l, pivoted at m in the upper end of thecoupling-rod, with the lower ends adapted to thrust down on thebase-plate and cause the head of the coupling to thrust upon theguard-plate intermediately to the thrust of the feet on the upper sideby the closing of the levers toward each other in the manner of a pairof tongs, said levers being preferably provided withantifriction-rollers n to facilitate closing them.

To insert the T-head of the coupling-rod in the guard-plate, the leversZ are opened to allow the rod to drop freely, and with the baseplate inposition on the guard-plate said levers are turned to a vertical planeat right angles to that in which they are used after being inserted, asseen in Fig. 4, which places the T-head lengthwise with the slot, whenit can be passed through the slot. Then the levers are turned back,which places the head crosswise with the slot, so as to engage the plateproperly for thrusting it when the levers are closed.

I claim as my invention-- 1. The combination, with the shoe having thecross-bar connecting the heels and being rabbeted in the lower innercorners of the toe and crossbar, of the guard-plate of slightlygreaterlength than the distance between the opposing walls of the rabbets andsecured therein by the resilient power of the plate sprung into itsposition in said rabbets, substantially as described.

2. The combination, with the shoe having the cross-bar connecting theheels and being rabbeted in the lower inner corners of the toe andcross-bar, of the guard-plate of slightlygreater length than thedistance between the and cross-bar, of the guard-plate ofslightlygreater length than the distance between the opposing walls ofthe rabbets and secured therein by the resilient power of the platesprung into its position in said rabbets, said plate having the calksattached at the corners and the central slot for connecting thedetaching-tool, substantially as described.

In testimony that I claim the foregoing as 1 my invention I have signedmy name, in presence of two witnesses, this 13th day of March, 1890.

GEO. T. CHAPMAN. Witnesses:

W. J. MORGAN, W. B. EARLE.

